Article
Chemistry, Physical
Fuwen Liu, Degang Deng, Ming Wu, Bowen Chen, Liuyan Zhou, Shiqing Xu
Summary: The study successfully prepared dual-emitting Eu2+/Eu3+ co-doped NaZr2(PO4)(3) phosphors, utilizing K+ ions to enhance temperature sensitivity and resolution of the temperature sensing material. It was found that the introduction of K+ ions could decrease the thermal stability of Eu2+ and enhance that of Eu3+, resulting in an improvement of the fluorescence intensity ratio.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Spectroscopy
Miaomiao Zhu, Qincan Ma, Ning Guo
Summary: In this study, rare-earth-doped self-activated LiCa3ZnV3O12 (LCZV) vanadate phosphors were prepared and their crystal structure, non-contact temperature sensing, and luminescence properties were deeply studied. The emission of [VO4](3-) group and Eu3+ ions excited by ultraviolet light at 340 nm was monitored. The FIR from Eu3+ to [VO4](3-) exhibited excellent sensitivity performance at 303 K - 523 K. The Eu3+ doped LCZV phosphor not only can be used for high-temperature environmental safety signals but also is an extraordinary viable material in the field of optical sensing.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2022)
Article
Chemistry, Inorganic & Nuclear
Yuming Gong, Yujun Liang, Shiqi Liu, Haoran Li, Yanying Bi, Qiangke Wang, Yi Dou
Summary: The study focused on developing composite phosphors of CYPO:Ce3+,Mn2+/g-C3N4 with different proportions for highly sensitive optical-temperature measurement. Through X-ray powder diffraction and fluorescence spectroscopy, it was found that the composite phosphors exhibited better temperature-dependent properties compared to pure CYPO:Ce3+,Mn2+. The maximum absolute and relative sensitivities of the designed composite phosphors were determined based on FIR technology, providing a feasible idea for versatile applications in optical-temperature measurement.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Engineering, Environmental
Dan Zhang, Baofeng Zheng, Zhibo Zheng, Liang Li, Qing Yang, Yanhua Song, Bo Zou, Haifeng Zou
Summary: The Ca9NaZn(PO4)7:1.0%Eu2+ phosphor has potential applications in full-visible-spectrum lighting and optical thermometry, and the addition of Mg2+ ions can improve its optical properties.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Rajan Singh, M. Manhas, A. K. Bedyal, F. Durani, H. C. Swart, Vinay Kumar
Summary: CaSr2(PO4)2:Eu3+ phosphors prepared using a low-cost solution combustion method show intense orange and red emissions, making them suitable for non-contact optical thermometry and solid-state lighting applications. These phosphors exhibit high sensitivity at low temperatures.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Optics
Jiujun Zhu, Peng Du, Jun Wang
Summary: A series of K0.3Bi0.7F2.4:Eu3+@xg-C3N4 composites were synthesized via self-assembly method, which exhibited multicolor emissions and good temperature sensing properties, making them promising candidates for optical thermometers.
JOURNAL OF LUMINESCENCE
(2022)
Article
Materials Science, Ceramics
WenJun Huang, JiaHui Lei, YiHang Chen, JunYu Chen, Yi Li, LiPing Chen, Hai Guo
Summary: Dy3+-doped YPO4 glass ceramic samples were synthesized through melt-quenching and heat-treatment methods. Structural analysis of YPO4 GC was performed using differential scanning calorimetry, X-ray diffraction, Fourier transform infrared spectroscopy, and transmission electron microscopy. The optimized sample was GC565 (heat-treated at 565 degrees C for 2 h). The fluorescence intensity ratio (FIR) of Dy3+ emissions from I-4(15/2) and F-4(9/2) to H-6(15/2) under 350 nm excitation was used for temperature sensing, with a maximum relative sensitivity of 2.03 %K-1 at 303 K. Our work demonstrates the potential application of Dy3+-doped YPO4 GC in optical temperature sensing.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Multidisciplinary
Huocheng Lv, Peng Du, Weiping Li, Laihui Luo
Summary: A series of Tm3+/Yb3+-codoped submicron particles were developed via a sol-gel route, and bright upconversion emissions were observed under 980 nm excitation. The emission intensities can be enhanced by increasing temperature due to the negative thermal expansion effect and energy transfer mechanism. The maximum sensitivity of the particles was found to be 0.198 K-1.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Chemistry, Physical
Junhao Xing, Limin Liu, Fei Shang, Guohua Chen
Summary: Transparent glass ceramics Sr-5(PO4)(3)F were successfully prepared from low-cost lead-free borate glasses, showing improved luminescence properties and potential application in optical temperature sensing.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
S. N. Ogugua, L. J. B. Erasmus, H. C. Swart
Summary: This paper reports on the luminescence and thermometric properties of Ca4(PO4)2O:Eu. The emission of Eu2+ showed blue and red bands, while Eu3+ exhibited yellow and red lines. The thermometric properties in different spectral ranges were studied using the luminescence intensity ratio method. Average temperature sensitivities of 1.76%, 0.1%, 0.11%, and 0.11%/°C were obtained in the blue-green, yellow, red, and near-infrared spectral ranges, respectively. The material could be potentially used in low-temperature thermal imaging applications.
MATERIALS RESEARCH BULLETIN
(2023)
Article
Chemistry, Physical
Rajan Singh, A. K. Bedyal, M. Manhas, H. C. Swart, Vinay Kumar
Summary: A series of Sm3+ doped and Li+/Na+/K+ co-doped CaSr2(PO4)(2) phosphors were synthesized and investigated for their luminescence and thermometric properties. The results showed that co-doping with alkali metal ions significantly enhanced the fluorescence intensity and the phosphors exhibited high thermal stability and good temperature sensitivity. These phosphors have potential applications in high power light emitting diodes and optical thermometry.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Rosanna Rizzi, Francesco Capitelli, Bogdan Lazoryak, Vladimir A. Morozov, Fabio Piccinelli, Angela Altomare
Summary: This study provides a comprehensive investigation into the structural, dielectric, and nonlinear properties of doped tricalcium phosphates, revealing that the structure does not always meet previous assumptions and nonlinear and dielectric spectroscopy methods are necessary to prove the true symmetry. The crystal structure of Tb- and Ho-doped compounds was explored using powder X-ray diffraction and Rietveld refinement, and reversible ferroelectric-paraelectric phase transitions were found, demonstrating the unique properties of these materials.
CRYSTAL GROWTH & DESIGN
(2021)
Article
Materials Science, Multidisciplinary
Yunfei Zhuang, Dawei Wang, Zhiping Yang
Summary: Ca9Y(PO4)(7): Tm3+, Yb3+ upconversion phosphors were prepared by a high-temperature solid-state method, and their crystal structure, upconversion emission spectra, and temperature-sensing properties were studied. The study found that the performance of the NTCL-based phosphors in temperature measurement was superior to that based on thermally coupled levels.
Article
Chemistry, Inorganic & Nuclear
Mukesh K. Sahu, M. Jayasimhadri, D. Haranath
Summary: In this study, single phase crystalline Er3+ doped Ca3Bi(PO4)3 (CBP:Er3+) phosphors were prepared using chemical co-precipitation route. The structural, optical, morphological, and luminescent characteristics of the CBP:Er3+ phosphors were investigated, and their potential applications in optical thermometry and optoelectronic devices were explored.
SOLID STATE SCIENCES
(2022)
Article
Optics
Lili Xing, Run Ao, Weiqi Yang
Summary: In this study, a non-contact optical thermometry for joint with high sensitivity and fast response was designed. The addition of Th3+/Er3+:Y2O3 micro-crystals into bismuth borate glass for bonding Al2O3 ceramics widened the thickness of the braze seam and improved the shear strength of the joint. Thermally coupled levels of Er3+ ion in the braze seam showed excellent temperature dependent characteristic with superior temperature sensing sensitivity.
JOURNAL OF LUMINESCENCE
(2021)
Article
Materials Science, Multidisciplinary
Yanbin Wang, Xinyou Huang, Ziqiu Cheng, Penghui Chen, Yuyang Chen, Junhao Ye, Haohong Chen, Zhenzhen Zhou, Denis Yu Kosyanov, Jiang Li
Summary: Uniform Al2O3-Ce:LuAG composite phosphor ceramics (CPCs) with excellent luminescent properties and thermal stability have been successfully synthesized in this study, showing great potential for application in solid-state laser lighting.
Article
Materials Science, Multidisciplinary
Syed Muhammad Ali Zaidi, Mazhar Ali Kalyar, Zulfiqar Ali Raza, Aayesha Shoukat, Rubaila Waseem, Muhammad Aslam
Summary: Polyvinyl alcohol (PVA) nanocomposite strips embedded with graphene nanosheets and copper-ferrite nanoparticles were synthesized using solution casting technique. Laser pulse irradiations were then applied to modify the structural, optical, and electrical properties of the strips, showing potential for optoelectronic devices.
Article
Materials Science, Multidisciplinary
Yunru Chen, Jialing Wu, Jiajia Wang, Shihui Ma, Hongwei Yu
Summary: This paper investigates the angular non-critical phase-matching second-harmonic-generation properties of Ba3(ZnB5O10)PO4 crystal and explores its potential applications in the output spectral regions.
Article
Materials Science, Multidisciplinary
Qun Jing, Menglin Zhu, Lu Li, Xu Ji, Haiming Duan, Henglei Chen, Ming-Hsien Lee
Summary: The paper introduces two new nonlinear optical materials, MZnPO4 (M = Rb, Cs), synthesized by cation substitution. These materials exhibit a honeycomb-like structure and show mild SHG responses with short absorption edges. The thermal properties, IR spectra, and theoretical calculations of the materials are also discussed.
Article
Materials Science, Multidisciplinary
Camila Ianhez-Pereira, Akhil Kuriakose, Ariano De Giovanni Rodrigues, Ana Luiza Costa Silva, Ottavia Jedrkiewicz, Monica Bollani, Marcio Peron Franco de Godoy
Summary: This study aims to evaluate the crystalline changes induced by ultrafast laser micromachining on manganese oxide thin films using micro-Raman spectroscopy. The results show that laser-writing is effective in locally modifying low-crystallinity films and increasing crystallite sizes, highlighting an interesting approach to evaluate laser-induced structural modifications on metal oxide thin films.
Article
Materials Science, Multidisciplinary
Kamal Bansal, Neeraj Kumar Mishra, Ibrahim Abdullahi, Param Jeet Singh, Mohit Tyagi, Sukhpal Singh
Summary: A novel Sm3+ activated oxyfluoride glass was synthesized and its structure and properties were analyzed. The glass showed potential applications in lasers, optical temperature sensing, and high-energy scintillators.
Article
Materials Science, Multidisciplinary
Xingjian Wang, Zhixu Wu, Jiawei Zhu, Yubin Kang, Mengqiang Cai, Yong Xia, Hui Deng
Summary: Antimony sulfide (Sb2S3) has been investigated as a promising material for visible light photodetectors due to its non-toxicity, stability, and high absorption coefficient. In this study, we systematically explored the impact of key parameters on the performance of Sb2S3 devices using simulation and successfully fabricated self-powered photodetectors with high responsivity and specific detectivity. Furthermore, we demonstrated the application of the Sb2S3 detector in a scanning imaging system, showcasing its potential for developing new types of visible light detectors and imaging systems.
Article
Materials Science, Multidisciplinary
O. I. Sallam, R. M. Ahmed
Summary: The 20NaF-60P2O5-20Na2O fluorophosphate glass systems doped with 3 wt% of CoO and NiO were investigated for their optical parameters before and after gamma irradiation. The presence of defects within the glass network and the addition of transition metals were found to affect the properties of the composites. After irradiation, a red shift was observed in the dissipation factor spectrum. The energy lost at the surface of the composites was larger than the energy lost within the constituent materials. All investigated composites showed insulating behavior and exhibited increased nonlinear optical parameters after irradiation, with the CoO-doped composite showing the highest values.
Article
Materials Science, Multidisciplinary
Fahimeh Ahmadi, Zeinab Ebrahimpour, Asghar Asgari, Bao Van
Summary: In this study, Er3+-doped sulfophosphate glasses containing titanium nanoparticles (TiO2 NPs) and different concentrations of silver nanoparticles (AgNPs) were synthesized. The impact of AgNPs on the physical and structural characteristics, optical absorption and emission features, and photocatalytic activity of the glasses were investigated. The results showed that the addition of AgNPs enhanced the emission intensity of the glasses, with the system containing 0.04 mol% of AgNPs exhibiting optimal performance. Furthermore, the presence of AgNPs and TiO2 NPs in the glass matrix positively affected the photocatalytic performance.
Article
Materials Science, Multidisciplinary
Zhuang Li, Rongfei Huang, Wei Yuan, Shaoqiang Zheng, Wenlu Liao, Huiying Xu, Zhiping Cai
Summary: This study reports the first realization of an 868 nm Pr:YLF laser pumped by an InGaN blue laser diode. The laser achieved a maximum power of 641 mW with stable output and good beam quality. The experimental results were in agreement with theoretical simulations.
Article
Materials Science, Multidisciplinary
Bhishma Karki, Youssef Trabelsi, Amrindra Pal, Sofyan A. Taya, Ram Bharos Yadav
Summary: This study proposes an SF11 Prism- Ag- ZnO nanowires-CeO2-Sensing layer-based surface plasmon resonance sensor for measuring dopamine concentration in human blood. The sensor demonstrates high sensitivity and detection accuracy, and holds significant importance for early diagnosis of neurological diseases.
Article
Materials Science, Multidisciplinary
M. Taoufiq, A. Soussi, A. Elfanaoui, A. Ait Hssi, S. Baoubih, A. Ihlal, K. Bouabid
Summary: In this study, the effect of copper doping within ZnS on glass substrates was investigated through experimental and theoretical approaches. Pure ZnS and Cu-doped ZnS films with varying copper concentrations were deposited on glass substrates using the SILAR technique. The structural, morphological, and optical properties of the films were characterized, and the theoretical FP-LAPW method based on density functional theory was employed to study the properties of copper-doped ZnS.